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1、Unit7Howmucharethesesocks?SectionA(GrammarFocus—3c)【备选要点】Howmuchisthehat?这顶帽子多少钱?Howmucharethoseblacktrousers?那些黑色的裤子多少钱?【句型剖析】询问价格常用疑问句型Howmuch...?意为“……多少钱?”其同义结构:What’sthepriceof...?What’sthepriceofthepen?这支钢笔的价格是多少?【归纳拓展】购物用语小结(1)Clerk(店员)常用语:CanIhelpyou?/
2、WhatcanIdoforyou?Wehavesweatersinmanycolors.Whatcolordoyouwant?Hereyouare.You’rewelcome.(2)Customer(顾客)常用语:Yes,please.Iwanta/an...No,thanks.Howmuchisit?/Howmucharethey?I’lltakeit/them.【学以致用】翻译句子①要我帮忙吗?____________________________________________________②这件夹克衫
3、多少钱?____________________________________________________③这副眼镜多少钱?theglasses?答案:①CanIhelpyou?/WhatcanIdoforyou?②Howmuchisthejacket?③Howmuchare基数词【观察领悟】仔细观察例句,体会并写出基数词的构成规律。1.Ihavefourpens,fivepencils,sixerasersandtwelvebooks.(1～12的基数词无规律)2.Thirteenboysandeight
4、eengirlsareintheclassroom.(十三到十九,七个词词尾都有teen)3.Twentyandthirtyisfifty.(从二十开始,整十位数二十到九十,八个词词尾都有ty)4.Thetrousersaretwenty-sevendollars.(表示几十几的数字,两词中间加-)【知识构建】1.基数词的表达法数 字基数词形式例 词0～12各自独立zero0;one1;nine9;twelve1213～193～9+重读teen结尾特殊:thirteen13;fifteen15;eighteen1
5、8一般:fourteen14;sixteen1620～90整十位数以ty结尾twenty20;thirty30;forty40;fifty50;sixty60;seventy70;eighty80;ninety90两位数(几十几)整十位数-个位数twenty-one21;thirty-five35;ninety-eight98【巧学妙记】基数词不难记,找清规律很容易,十二以内词各异;十三数到十九去,后加teen莫忘记。二十、三十……至九十,整十之后有ty;个位到十位,中间连字符(-)别忘记,十位到百位,中间and
6、别忘记。2.基数词的用法(1)基数词只能修饰可数名词,要注意数词和名词在数上要保持一致。twocups两个杯子twentyapples二十个苹果(2)表示编号时,用“事物+基数词”。例如:ClassFour四班Room302302房间(3)表示年龄。Heisfortyyearsold.他四十岁了。(4)表示时刻。5:34读作fivethirty-four9:28读作ninetwenty-eight【学以致用】用英语写出下列基数词1.2352.1512133.204078答案:1.two;three;five2.f
7、ifteen;twelve;thirteen3.twenty;forty;seventy-eightⅠ.用所给词的适当形式填空1.Myclothes(be)redandwhite.2.Thesetrousersaregood.I’lltake(they).3.Howmuch(be)thechicken?4.Whatcolorshe(want)?5.Idon’tknowthetwo(woman).答案:1.are2.them3.is4.does;want5.womenⅡ.单项选择1.—Arethoseyoursho
8、rts?—Yes,.A.theyareB.thatisC.itisD.Iam2.Iwanttobuypants.A.aB.thisC.theseD.that3.—CanIhelpyou?—.Ineedabasketball.A.No,thanksB.Yes,pleaseC.Yes,youcanD.No,youcan’t4.Thehatisnice,butit’stoofo
